Abstract: As global issues become more prominent and complex, various actors in the international community are strengthening global governance through systems of international cooperation. Different international actors have different identities, responsibilities and roles in international institutions due to their comprehensive strengths. They are roughly divided into three types: followers, supporters and leaders. Since the founding of the People’ s Republic of China in 1949, its process of participation in international institutions and global governance has been obviously staged. In recent years,China has actively participated in various major international activities and carried out a series of diplomatic activities at home, which further demonstrates its involvement from a single participant to both a leader and a participant. In the existing traditional, modified and innovative international institutions, China is essentially playing a dual role, namely the roles of participant and supporter, the supporter and reformer, and the supporter and leader. Full text available here.